Generic Allegra is a safe and effective oral antihistamine medicine that helps in eliminating the symptoms of seasonal allergies in adults as well as children. It is also useful in treating urticaria (wheal) and other skin allergies. It is mainly indicated for treating the symptoms of allergic rhinitis (hay fever), such as frequent sneezing, nasal irritation with congestion, post-nasal discharge, watery and itchy eyes, headache, and mild fever. Furthermore, it helps in reducing and eradicating the symptoms of chronic urticaria characterized by the skin rashes with intense itching, burning and redness. The active ingredient of Generic Allegra is Fexofenadine, a powerful anti-histamine drug.